66206134 has 16 divisors (see below), whose sum is σ = 100627488. Its totient is φ = 32666112.

The previous prime is 66206131. The next prime is 66206137. The reversal of 66206134 is 43160266.

It is an interprime number because it is at equal distance from previous prime (66206131) and next prime (66206137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66206131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114454 + ... + 115030.

It is an arithmetic number, because the mean of its divisors is an integer number (6289218).

Almost surely, 2^66206134 is an apocalyptic number.

66206134 is a deficient number, since it is larger than the sum of its proper divisors (34421354).

66206134 is a wasteful number, since it uses less digits than its factorization.

66206134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66206134 is about 8136.7151848888. The cubic root of 66206134 is about 404.5442905538.

The spelling of 66206134 in words is "sixty-six million, two hundred six thousand, one hundred thirty-four".